diff --git a/gateware/data/top-xmas-snoopy.pcf b/gateware/data/top-xmas-snoopy.pcf
index c31d1ae..43ac40e 100644
--- a/gateware/data/top-xmas-snoopy.pcf
+++ b/gateware/data/top-xmas-snoopy.pcf
@@ -12,8 +12,8 @@ set_io -nowarn -pullup no usb_dn 18
 set_io -nowarn -pullup no usb_pu 21
 
 # Power
-set_io -nowarn -pullup yes pwr_usb_n 45
-set_io -nowarn -pullup yes pwr_chg_n 44
+set_io -nowarn -pullup yes -pullup_resistor 100K pwr_usb_n 45
+set_io -nowarn -pullup yes -pullup_resistor 100K pwr_chg_n 44
 set_io -nowarn -pullup no  pwr_off   47
 
 # Buttons